This Congressional report contains the testimony and documents presented for the record of the first of two hearings to gather testimony on the effects of welfare reform and the Temporary Assistance for Needy Families (TANF) block grant. The oral and written testimony focuses on TANF legislation's outcomes and impact on work and families in preparation for reauthorization of the 1996 legislation. The oral statements of the following individuals are presented: Howard "Buck" McKeon and Patsy T. Mink, Subcommittee on 21st Century Competitiveness, Committee on Education and the Workforce, U.S. House of Representatives; Ron Haskins, senior fellow, The Brookings Institute; Robert Rector, senior research fellow, The Heritage Foundation; Joel Potts, TANF policy administrator, Ohio Department of Job and Family Services; Heather Bushey, economist, Economic Policy Institute; and Sanford Schram, Graduate School of Social Work and Research, Bryn Mawr College. The report's 11 appendixes contain the written statements submitted by the seven individuals providing oral testimony as well as the following items: response by Ron Haskins to Chairman Howard "Buck" McKeon and Patsy T. Mink; written testimony submitted by Network: A National Catholic Social Justice Lobby; written testimony submitted by the Chicago Jobs Council; and written testimony submitted by The Center for Women Policy Studies. (MN)